Method copy

ot/backend.py:2759–2760

(self, a)

            return cp.where(condition, x, y)

    def copy(self, a):
        return a.copy()

    def allclose(self, a, b, rtol=1e-05, atol=1e-08, equal_nan=False):
        return cp.allclose(a, b, rtol=rtol, atol=atol, equal_nan=equal_nan)